# sorted list class SortedList(list): def __init__(self, initial_list_values): super().__init__(sorted(initial_list_values)) def append(self, new_value) -> None: for pos, value in enumerate(self): if new_value <= value: super().insert(pos, new_value) break else: super().append(new_value) def extend(self, new_list) -> None: for value in new_list: self.append(value) def insert(self, fake_index, new_value) -> None: self.append(new_value) if __name__ == '__main__': s = SortedList([2, 5, -1, 8]) print(s) s.append(-19) print(s) s.append(999) print(s) s.append(7) print(s) s.insert(3, 4) print(s)